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Xiphactinus audax Leidy 1870 (ray-finned fish)

Osteichthyes - Ichthyodectiformes - Ichthyodectidae

PaleoDB taxon number: 117694

Alternative combinations: Polygonodon audax, Saurocephalus audax

Synonyms: Portheus molossus Cope 1871 (no. 96951), Portheus thaumas Cope 1870 (no. 302174), Saurocephalus thaumas Cope 1870 (no. 302173)

Full reference: J. Leidy. 1870. [Remarks on ichthyorudiolites and on certain fossil Mammalia]. Proceedings of the Academy of Natural Sciences of Philadelphia 22(1):12-13

Belongs to Xiphactinus according to L. Cavin et al. 2013

Sister taxon: Xiphactinus vetus

Ecology: nektonic carnivore